Home / 1,872,218,979.39-2,582,418,131.35-1,204,008,814.76

Finding the Fourth Proportional to 1,872,218,979.39, 2,582,418,131.35 and 1,204,008,814.76

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Solution

The fourth proportional to 1,872,218,979.39, 2,582,418,131.35 and 1,204,008,814.76 is: 1,660,732,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,218,979.39 : 2,582,418,131.35 = 1,204,008,814.76 : x
  2. Step 2: Convert to fraction form
    1,872,218,979.39/2,582,418,131.35 = 1,204,008,814.76/x
  3. Step 3: Cross multiply
    1,872,218,979.39x = 2,582,418,131.35 × 1,204,008,814.76
  4. Step 4: Simplify right side
    1,872,218,979.39x = 3,109,254,193,528,776,704
  5. Step 5: Solve for x
    x = 3,109,254,193,528,776,704/1,872,218,979.39
  6. Step 6: Final answer
    x = 1,660,732,119.35

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.